Answer: This is the definition if that's what you want.
Explanation:The law of conservation of mass or principle of mass conservation states that for any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system's mass cannot change, so quantity can neither be added nor be removed.
Answer:
c. 2-dimethyl-2-butene or 3-dimethyl-1-butene
A is the answer! I’m pretty sure hopefully i helped!!
Answer:
Nicolaus Copernicus developed the Heliocentric model for the Solar System in the early 1500s. He was an astronomer, and he published a book in 1532 in which he proposed that the planets orbit the Sun rather than the Earth. The church reacted with outrage, and banned the book.
